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synchronizing access to log list

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This commit is contained in:
fros4943 2010-03-26 09:12:20 +00:00
parent 0ec8d499e4
commit e4c3ac8125
1 changed files with 14 additions and 7 deletions
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21
tools/cooja/java/se/sics/cooja/SimEventCentral.java
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@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* *
* $Id: SimEventCentral.java,v 1.3 2009/12/07 11:06:08 fros4943 Exp $ * $Id: SimEventCentral.java,v 1.4 2010/03/26 09:12:20 fros4943 Exp $
*/ */
package se.sics.cooja; package se.sics.cooja;
@ -217,7 +217,10 @@ public class SimEventCentral {
/* We may have to remove some events now */ /* We may have to remove some events now */
while (logOutputEvents.size() > logOutputBufferSize-1) { while (logOutputEvents.size() > logOutputBufferSize-1) {
LogOutputEvent removed = logOutputEvents.pollFirst(); LogOutputEvent removed;
synchronized (logOutputEvents) {
removed = logOutputEvents.pollFirst();
}
if (removed == null) { if (removed == null) {
break; break;
} }
@ -225,11 +228,12 @@ public class SimEventCentral {
l.removedLogOutput(removed); l.removedLogOutput(removed);
} }
} }
/* Store log output, and notify listeners */ /* Store log output, and notify listeners */
LogOutputEvent ev = LogOutputEvent ev = new LogOutputEvent(mote, simulation.getSimulationTime(), msg);
new LogOutputEvent(mote, simulation.getSimulationTime(), msg); synchronized (logOutputEvents) {
logOutputEvents.add(ev); logOutputEvents.add(ev);
}
for (LogOutputListener l: logOutputListeners) { for (LogOutputListener l: logOutputListeners) {
l.newLogOutput(ev); l.newLogOutput(ev);
} }
@ -269,8 +273,11 @@ public class SimEventCentral {
logOutputEvents.clear(); logOutputEvents.clear();
} }
} }
public LogOutputEvent[] getLogOutputHistory() { public LogOutputEvent[] getLogOutputHistory() {
return logOutputEvents.toArray(new LogOutputEvent[0]); synchronized (logOutputEvents) {
return logOutputEvents.toArray(new LogOutputEvent[0]);
}
} }
public int getLogOutputBufferSize() { public int getLogOutputBufferSize() {
return logOutputBufferSize; return logOutputBufferSize;